Solve 4*d + 2*a + 8 = 0, 2*a - 5*a = -3*d - 24 for d.
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What is the s'th term of -10, -20, -44, -88, -158, -260, -400?
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What is the k'th term of 261, 266, 273, 282, 293, 306, 321?
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What is the c'th term of 35, 63, 89, 119, 159?
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What is the q'th term of -671, -1344, -2017?
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What is the o'th term of -1125, -1117, -1107, -1095, -1081, -1065?
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What is the x'th term of 27, 24, 23, 24?
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